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Revision: 10956
at January 19, 2009 10:54 by alli14404
Initial Code 
preg_replace("/&(?![a-zA-Z0-9#]+;{1})/", "&", $str);


Test here: http://regexpal.com/
Regex: &(?![a-zA-Z0-9#]+;{1})
Test case: &  j&j  hh jk 8 $ &     nnj & dasasd E&P  d d&d  11
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                                        Initial Description
                                        

                                    

                                    

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
Regex ignore html entities but replace any '&' with &

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    
regex, php

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
PHP